Bonding washer
First Claim
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1. A bonding washer comprising:
- an electrically conductive body having a first surface with at least one tooth having a distal end facing away from said first surface, and a second surface opposite said first surface and having at least one tooth facing away from said second surface;
a first spring member extending away from said second surface; and
a second spring member extending away from said second surface and spaced from said first spring member,said first spring member and second spring member configured for gripping opposite faces of a metal work piece between said first spring member and said second spring member, and said at least one tooth extending away from said second surface of said electrically conductive body configured for engaging a surface of the work piece extending between the opposite faces of the work piece.
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Abstract
A bonding washer for making electrical connection between two metal pieces that are to be mechanically fastened together. The washer, to be interposed between the two metal pieces, may be constructed so as to fasten to one of the pieces before the two pieces are joined. Teeth on the washer, positioned at right angles to the plane of the washer, are forced into each of the two metal pieces when the fastener is tightened, making electrical connection between the two metal pieces.
55 Citations
19 Claims
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1. A bonding washer comprising:
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an electrically conductive body having a first surface with at least one tooth having a distal end facing away from said first surface, and a second surface opposite said first surface and having at least one tooth facing away from said second surface; a first spring member extending away from said second surface; and a second spring member extending away from said second surface and spaced from said first spring member, said first spring member and second spring member configured for gripping opposite faces of a metal work piece between said first spring member and said second spring member, and said at least one tooth extending away from said second surface of said electrically conductive body configured for engaging a surface of the work piece extending between the opposite faces of the work piece. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A bonding washer comprising;
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a substantially flat electrically conductive washer section having an opening, a first side, and a second side; a plurality of first teeth extending away from said second side of said washer section; a tubular body extending from said second side of said washer section, said tubular body having an outer surface with a plurality of second teeth having a distal end facing radially outward from said outer surface; said tubular body being axially compressible and a portion of said tubular body being radially expandable by applying an axial force to a distal end of said tubular section to clamp a metal work piece between said first teeth on said washer section and said second teeth on said tubular body. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification